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Verified answer
Penyederhanaan :=> p - (-5p) + q - 7q - 6r
=> p + 5p + q - 7q - 6r
=> 6p - 6q - 6r
------------------------- (:6)
=> p - q - r
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Verified answer
P+5p+q-7q-6r6p-6q-6r
________(:6)
p-q-r
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